Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564241 | Power supply arrangement for pulled mining machines | Joachim Holz, Wolfgang Meier, Kurt Ogorek, Heinrich Goris | 1986-01-14 |
| 4555142 | Supply of liquid media for a hydraulic-mechanically operating mine working machine with sword | Joachim Holz, Wolfgang Meier, Heinrich Goris, Kurt Ogorek | 1985-11-26 |
| 4483567 | Apparatus for positioning supply connections into association with a mining extractor | — | 1984-11-20 |
| 4458950 | Energy supply unit for winning machines pulled by a traction mechanism for mining operations | Josef Aholt, Karl Herrmann, Hans Johenning, Willi Kupper, Aloys Weingarten +1 more | 1984-07-10 |
| 4367902 | Tool for hydromechanical or hydraulic mining or for cutting mineral or bituminous materials | Heinrich Goris, Roland Gunther, Joachim Holz, Kurt Ogorek | 1983-01-11 |
| 4256345 | Scraper chain conveyor with rack for the chainless feed of winning machines | Roland Guenther | 1981-03-17 |
| 4239290 | Hydromechanical planer with cutting and breaking heads | Heinrich Goris, Roland Gunther, Kurt Ogorek | 1980-12-16 |
| 4181363 | Mining method and mining machine for cutting away hard mineral materials | Heinrich Goris, Roland Gunther, Kurt Ogorek, Wilfried Witulski | 1980-01-01 |